Which pumps does this piston cup fit?

It is listed to fit FMC Bean L1122D and L1622HV pumps.

What does "abrasive service" mean here?

"Abrasive service" is a duty descriptor from the part name, indicating the cup is intended for applications pumping abrasive fluids. Like any piston cup, it seals against the cylinder liner bore as the piston reciprocates and is a routine wear part.

Is there an interchange part number?

This is an aftermarket replacement for FMC Bean SKU 3266810. The brand and part number are given for identification and cross-reference only and do not indicate OEM manufacture.

Piston Cup 2-3/4 Inch Abrasive Service HSN

Piston Cup 2-3/4 Inch Abrasive Service HSN — Piston Cup aftermarket replacement part

This is a 2-3/4 inch HSN piston cup for abrasive service, the flexible sealing element fitted to the piston in the fluid end of a reciprocating pump. It seals against the cylinder liner bore as the piston reciprocates and is a routine wear part. It is sized for FMC Bean L1122D and L1622HV pumps, and the "abrasive service" designation in the name indicates it is intended for pumping abrasive fluids.

What it is

A piston cup is the flexible sealing element fitted to the piston in the fluid end. It maintains the seal against the cylinder liner bore as the piston reciprocates, so wear here directly affects volumetric efficiency.

Pump compatibility

L1122D
L1622HV

Specifications

Property	Value
Weight	0.13 lb (≈ 0.06 kg, converted)
Width	7.6 cm
Height	7.6 cm
Depth	3.8 cm

Manufacturer technical notes

HSN Abrasive Service Piston Cup 2-3/4" (SKU:3266810), reinforced with aramid fiber HNBR (ASTM D2000-20 3AA60), molded vulcanization (GB/T 528-2009), API 7K compliant, temperature range -35°C~200°C, pressure resistance ≥70MPa, 1000h salt spray corrosion-free, compatible with FMC Bean L0618HV/L0918HD series

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing FMC Bean 3266810.

FAQ

Which pumps does this piston cup fit?: It is listed to fit FMC Bean L1122D and L1622HV pumps.
What does "abrasive service" mean here?: "Abrasive service" is a duty descriptor from the part name, indicating the cup is intended for applications pumping abrasive fluids. Like any piston cup, it seals against the cylinder liner bore as the piston reciprocates and is a routine wear part.
Is there an interchange part number?: This is an aftermarket replacement for FMC Bean SKU 3266810. The brand and part number are given for identification and cross-reference only and do not indicate OEM manufacture.

Related parts

See all Piston Cup →

All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.

Need a quote or part lookup? Contact our team.